./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:44:31,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:44:31,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:44:31,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:44:31,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:44:31,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:44:31,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:44:31,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:44:31,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:44:31,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:44:31,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:44:31,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:44:31,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:44:31,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:44:31,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:44:31,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:44:31,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:44:31,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:44:31,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:44:31,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:44:31,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:44:31,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:44:31,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:44:31,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:44:31,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:44:31,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:44:31,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:44:31,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:44:31,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:44:31,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:44:31,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:44:31,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:44:31,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:44:31,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:44:31,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:44:31,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:44:31,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:44:31,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:44:31,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:44:31,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:44:31,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:44:31,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:44:31,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:44:31,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:44:31,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:44:31,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:44:31,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:44:31,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:44:31,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:44:31,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:44:31,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:44:31,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:44:31,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:44:31,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:44:31,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:44:31,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:44:31,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:44:31,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:44:31,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:44:31,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:44:31,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:44:31,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:44:31,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:44:31,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:31,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:44:31,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:44:31,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:44:31,416 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:44:31,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:44:31,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:44:31,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2021-11-13 22:44:31,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:44:31,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:44:31,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:44:31,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:44:31,822 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:44:31,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/stack-2.i [2021-11-13 22:44:31,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/b64bb83bf/326dcdfc8aab40a99df9ad3d2810eab2/FLAG2cc908ce7 [2021-11-13 22:44:32,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:44:32,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/sv-benchmarks/c/pthread/stack-2.i [2021-11-13 22:44:32,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/b64bb83bf/326dcdfc8aab40a99df9ad3d2810eab2/FLAG2cc908ce7 [2021-11-13 22:44:32,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/b64bb83bf/326dcdfc8aab40a99df9ad3d2810eab2 [2021-11-13 22:44:32,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:44:32,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:44:32,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:32,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:44:32,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:44:32,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:32" (1/1) ... [2021-11-13 22:44:32,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d604b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:32, skipping insertion in model container [2021-11-13 22:44:32,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:32" (1/1) ... [2021-11-13 22:44:32,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:44:32,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:44:33,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-13 22:44:33,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:33,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:44:33,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-13 22:44:33,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:33,593 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:44:33,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33 WrapperNode [2021-11-13 22:44:33,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:33,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:33,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:44:33,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:44:33,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:33,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:44:33,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:44:33,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:44:33,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:44:33,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:44:33,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:44:33,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:44:33,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:33" (1/1) ... [2021-11-13 22:44:33,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:33,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:44:33,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:44:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:44:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 22:44:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 22:44:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 22:44:33,785 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 22:44:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:44:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:44:33,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:44:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:44:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-13 22:44:33,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-13 22:44:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 22:44:33,787 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-13 22:44:33,788 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-13 22:44:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:44:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:44:33,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:44:33,790 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 22:44:34,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:44:34,344 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:44:34,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:34 BoogieIcfgContainer [2021-11-13 22:44:34,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:44:34,347 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:44:34,348 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:44:34,360 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:44:34,360 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:34" (1/1) ... [2021-11-13 22:44:34,361 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:44:34,370 INFO L158 Benchmark]: Toolchain (without parser) took 1582.28ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 44.6MB in the beginning and 57.2MB in the end (delta: -12.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-13 22:44:34,371 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:34,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.53ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 44.4MB in the beginning and 78.5MB in the end (delta: -34.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-13 22:44:34,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.50ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:34,378 INFO L158 Benchmark]: Boogie Preprocessor took 33.85ms. Allocated memory is still 119.5MB. Free memory was 76.0MB in the beginning and 74.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:34,379 INFO L158 Benchmark]: RCFGBuilder took 648.23ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 58.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 22:44:34,381 INFO L158 Benchmark]: CodeCheck took 20.44ms. Allocated memory is still 119.5MB. Free memory was 58.6MB in the beginning and 57.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:34,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.53ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 44.4MB in the beginning and 78.5MB in the end (delta: -34.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.50ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 76.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.85ms. Allocated memory is still 119.5MB. Free memory was 76.0MB in the beginning and 74.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.23ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 58.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 20.44ms. Allocated memory is still 119.5MB. Free memory was 58.6MB in the beginning and 57.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:44:34,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:44:37,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:44:37,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:44:37,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:44:37,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:44:37,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:44:37,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:44:37,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:44:37,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:44:37,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:44:37,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:44:37,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:44:37,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:44:37,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:44:37,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:44:37,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:44:37,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:44:37,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:44:37,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:44:37,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:44:37,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:44:37,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:44:37,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:44:37,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:44:37,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:44:37,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:44:37,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:44:37,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:44:37,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:44:37,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:44:37,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:44:37,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:44:37,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:44:37,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:44:37,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:44:37,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:44:37,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:44:37,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:44:37,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:44:37,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:44:37,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:44:37,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 22:44:37,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:44:37,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:44:37,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:44:37,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:44:37,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:44:37,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:44:37,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:44:37,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:44:37,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:44:37,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:44:37,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:44:37,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:44:37,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:44:37,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 22:44:37,489 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 22:44:37,489 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 22:44:37,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:44:37,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:44:37,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:44:37,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:44:37,490 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:44:37,491 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:44:37,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:44:37,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:37,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:44:37,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:44:37,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:44:37,492 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 22:44:37,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 22:44:37,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:44:37,495 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 22:44:37,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 22:44:37,496 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2021-11-13 22:44:38,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:44:38,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:44:38,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:44:38,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:44:38,071 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:44:38,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/stack-2.i [2021-11-13 22:44:38,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/25e7fa3d6/c8f9920123bc4c69ae7a9136a2ae12fe/FLAGd94be2a6a [2021-11-13 22:44:39,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:44:39,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/sv-benchmarks/c/pthread/stack-2.i [2021-11-13 22:44:39,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/25e7fa3d6/c8f9920123bc4c69ae7a9136a2ae12fe/FLAGd94be2a6a [2021-11-13 22:44:39,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/data/25e7fa3d6/c8f9920123bc4c69ae7a9136a2ae12fe [2021-11-13 22:44:39,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:44:39,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:44:39,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:39,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:44:39,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:44:39,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:39" (1/1) ... [2021-11-13 22:44:39,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edc869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:39, skipping insertion in model container [2021-11-13 22:44:39,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:44:39" (1/1) ... [2021-11-13 22:44:39,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:44:39,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:44:39,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-13 22:44:39,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:40,007 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:44:40,047 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-13 22:44:40,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:44:40,176 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:44:40,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40 WrapperNode [2021-11-13 22:44:40,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:44:40,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:40,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:44:40,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:44:40,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:44:40,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:44:40,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:44:40,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:44:40,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:44:40,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:44:40,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:44:40,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:44:40,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:44:40" (1/1) ... [2021-11-13 22:44:40,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:44:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:44:40,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:44:40,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:44:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 22:44:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 22:44:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 22:44:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 22:44:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 22:44:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:44:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:44:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 22:44:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 22:44:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 22:44:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-13 22:44:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-13 22:44:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 22:44:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-13 22:44:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-13 22:44:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:44:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:44:40,516 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 22:44:41,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:44:41,143 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:44:41,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:41 BoogieIcfgContainer [2021-11-13 22:44:41,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:44:41,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:44:41,147 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:44:41,158 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:44:41,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:44:41" (1/1) ... [2021-11-13 22:44:41,160 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:44:41,164 INFO L158 Benchmark]: Toolchain (without parser) took 1958.69ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 45.8MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:41,165 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:41,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.78ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 42.0MB in the end (delta: -1.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-11-13 22:44:41,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.94ms. Allocated memory is still 77.6MB. Free memory was 42.0MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:41,168 INFO L158 Benchmark]: Boogie Preprocessor took 92.97ms. Allocated memory is still 77.6MB. Free memory was 39.4MB in the beginning and 37.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:44:41,169 INFO L158 Benchmark]: RCFGBuilder took 759.46ms. Allocated memory is still 77.6MB. Free memory was 37.3MB in the beginning and 46.9MB in the end (delta: -9.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-13 22:44:41,170 INFO L158 Benchmark]: CodeCheck took 15.39ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:44:41,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.78ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 42.0MB in the end (delta: -1.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.94ms. Allocated memory is still 77.6MB. Free memory was 42.0MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.97ms. Allocated memory is still 77.6MB. Free memory was 39.4MB in the beginning and 37.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.46ms. Allocated memory is still 77.6MB. Free memory was 37.3MB in the beginning and 46.9MB in the end (delta: -9.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 15.39ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 22:44:41,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8a94e7e-b597-4a96-99c6-f2105a9c700d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported